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以1994—2006年间我国四大地带的人均GDP、制成品出口总额和制成品进口总额三者的变异系数为样本空间进行的VEC模型检验发现,地带间制成品贸易差异与经济差距存在长期均衡关系,制成品出口贸易差异与地区差距互为格兰杰成因,地区差距是制成品进口贸易差异的格兰杰成因。综括来看,要素收益率变化与要素流动制约性、技术溢出与要素收益率非一致性是对外贸易结构差异对地区差距产生影响的传导渠道。
According to the VEC model test of the coefficient of variation of per capita GDP, total manufactures export and total imports of manufactures in the four major regions of China from 1994 to 2006, it is found that there is a difference between the trade and the economic disparity Long-term equilibrium relationship between the finished product export trade differences and regional differences Granger cause of each other, the regional gap is the Granger cause of differences in the import of finished products. To sum up, the change of factor yield, the restriction of factor flow, the non-uniformity of technology spillover and factor return rate are the transmission channels that influence the gap of foreign trade structure on the regional disparity.